Haw. Code R. § 6-20-4
Information about a member, a beneficiary, or a retirant contained in the records of the system may be disclosed only to the member, beneficiary, or retirant or to a person authorized in writing by the member, beneficiary, or retirant, or to the duly appointed executor, legal representative, or administrator of the estate of the member, beneficiary, or retirant, or to an agency complying with the requirements of section 92F-19, HRS.
Upon receipt of a request for information regarding domestic relations orders under section 8893.5, HRS, and a certified copy of a complaint or decree for divorce, the system shall provide the alternate payee with information regarding benefits that are relevant to the alternate payee's interest in the member's, former member's with vested benefit status, or retirant's benefits. Information about a deceased member, beneficiary, or retirant may be disclosed to any person under chapter 92F, HRS, without written authorization from the deceased member's, beneficiary's, or retirant's representatives, to the extent authorized by law.
Haw. Code R. § 6-20-4